[INFO] fetching crate libzstd-rs-sys 0.0.0...
[INFO] testing libzstd-rs-sys-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate libzstd-rs-sys 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate libzstd-rs-sys 0.0.0
[INFO] finished tweaking crates.io crate libzstd-rs-sys 0.0.0
[INFO] tweaked toml for crates.io crate libzstd-rs-sys 0.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libzstd-rs-sys 0.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libzstd-rs-sys 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.30
[INFO] [stderr]   Downloaded zstd-sys v2.0.15+zstd.1.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8853dbe2dff84983fe521afaa81b5eae7b668276bebcdf2a728b7404fa173884
[INFO] running `Command { std: "docker" "start" "-a" "8853dbe2dff84983fe521afaa81b5eae7b668276bebcdf2a728b7404fa173884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8853dbe2dff84983fe521afaa81b5eae7b668276bebcdf2a728b7404fa173884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8853dbe2dff84983fe521afaa81b5eae7b668276bebcdf2a728b7404fa173884", kill_on_drop: false }`
[INFO] [stdout] 8853dbe2dff84983fe521afaa81b5eae7b668276bebcdf2a728b7404fa173884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48a4270d30c82b3948eb55c8b5adfb1b527cc24a3fed6d141f6e149c45fcb679
[INFO] running `Command { std: "docker" "start" "-a" "48a4270d30c82b3948eb55c8b5adfb1b527cc24a3fed6d141f6e149c45fcb679", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling libzstd-rs-sys v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> c2rust-lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(likely_unlikely)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]     --> lib/compress/zstd_lazy.rs:2689:5
[INFO] [stdout]      |
[INFO] [stdout] 2688 |     unreachable!();
[INFO] [stdout]      |     -------------- any code following this expression is unreachable
[INFO] [stdout] 2689 |     0
[INFO] [stdout]      |     ^ unreachable expression
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ws`
[INFO] [stdout]     --> lib/compress/zstd_compress.rs:1214:50
[INFO] [stdout]      |
[INFO] [stdout] 1214 | unsafe fn ZSTD_cwksp_assert_internal_consistency(ws: *mut ZSTD_cwksp) {}
[INFO] [stdout]      |                                                  ^^ help: if this is intentional, prefix it with an underscore: `_ws`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]     --> lib/compress/zstd_compress.rs:1895:9
[INFO] [stdout]      |
[INFO] [stdout] 1895 |     let err = ZSTD_CCtx_reset(cctx, ZSTD_reset_parameters);
[INFO] [stdout]      |         ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cParams1`
[INFO] [stdout]     --> lib/compress/zstd_compress.rs:4030:5
[INFO] [stdout]      |
[INFO] [stdout] 4030 |     cParams1: ZSTD_compressionParameters,
[INFO] [stdout]      |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cParams1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cParams2`
[INFO] [stdout]     --> lib/compress/zstd_compress.rs:4031:5
[INFO] [stdout]      |
[INFO] [stdout] 4031 |     cParams2: ZSTD_compressionParameters,
[INFO] [stdout]      |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cParams2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seqStore`
[INFO] [stdout]     --> lib/compress/zstd_compress.rs:5462:5
[INFO] [stdout]      |
[INFO] [stdout] 5462 |     seqStore: *const SeqStore_t,
[INFO] [stdout]      |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_seqStore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cParams`
[INFO] [stdout]     --> lib/compress/zstd_compress.rs:5463:5
[INFO] [stdout]      |
[INFO] [stdout] 5463 |     cParams: *const ZSTD_compressionParameters,
[INFO] [stdout]      |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cParams`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `defaultMax`
[INFO] [stdout]     --> lib/compress/zstd_compress.rs:6169:5
[INFO] [stdout]      |
[INFO] [stdout] 6169 |     defaultMax: u32,
[INFO] [stdout]      |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_defaultMax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endOp`
[INFO] [stdout]      --> lib/compress/zstd_compress.rs:10078:5
[INFO] [stdout]       |
[INFO] [stdout] 10078 |     endOp: ZSTD_EndDirective,
[INFO] [stdout]       |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_endOp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `externalRepSearch`
[INFO] [stdout]      --> lib/compress/zstd_compress.rs:10578:5
[INFO] [stdout]       |
[INFO] [stdout] 10578 |     externalRepSearch: ZSTD_ParamSwitch_e,
[INFO] [stdout]       |     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_externalRepSearch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dstCapacity`
[INFO] [stdout]   --> lib/compress/zstd_compress_literals.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     dstCapacity: size_t,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dstCapacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maxDistance`
[INFO] [stdout]    --> lib/compress/zstd_fast.rs:869:9
[INFO] [stdout]     |
[INFO] [stdout] 869 |     let maxDistance = (1) << (*cParams).windowLog;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maxDistance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `endIndex`
[INFO] [stdout]    --> lib/compress/zstd_fast.rs:870:9
[INFO] [stdout]     |
[INFO] [stdout] 870 |     let endIndex = (istart.offset_from(base) as size_t).wrapping_add(srcSize) as u32;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_endIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hasStep`
[INFO] [stdout]    --> lib/compress/zstd_fast.rs:837:5
[INFO] [stdout]     |
[INFO] [stdout] 837 |     hasStep: u32,
[INFO] [stdout]     |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hasStep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hasStep`
[INFO] [stdout]     --> lib/compress/zstd_fast.rs:1141:5
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     hasStep: u32,
[INFO] [stdout]      |     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hasStep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iend`
[INFO] [stdout]    --> lib/compress/zstd_lazy.rs:420:70
[INFO] [stdout]     |
[INFO] [stdout] 420 | unsafe fn ZSTD_updateDUBT(ms: *mut ZSTD_MatchState_t, ip: *const u8, iend: *const u8, mls: u32) {
[INFO] [stdout]     |                                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_iend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mIndex`
[INFO] [stdout]    --> lib/compress/zstd_lazy.rs:647:13
[INFO] [stdout]     |
[INFO] [stdout] 647 |         let mIndex = curr.wrapping_sub((*offsetPtr).wrapping_sub(ZSTD_REP_NUM as size_t) as u32);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_mIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dictMode`
[INFO] [stdout]    --> lib/compress/zstd_lazy.rs:566:5
[INFO] [stdout]     |
[INFO] [stdout] 566 |     dictMode: ZSTD_dictMode_e,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dictMode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mIndex`
[INFO] [stdout]    --> lib/compress/zstd_lazy.rs:806:13
[INFO] [stdout]     |
[INFO] [stdout] 806 |         let mIndex = curr.wrapping_sub((*offBasePtr).wrapping_sub(ZSTD_REP_NUM as size_t) as u32);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_mIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ddsLowestIndex`
[INFO] [stdout]    --> lib/compress/zstd_lazy.rs:964:9
[INFO] [stdout]     |
[INFO] [stdout] 964 |     let ddsLowestIndex = (*dms).window.dictLimit;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ddsLowestIndex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]     --> lib/compress/zstd_lazy.rs:1157:13
[INFO] [stdout]      |
[INFO] [stdout] 1157 |         let entry: *const u32 = &mut *((*dms).hashTable).add(ddsIdx) as *mut u32;
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hashTable`
[INFO] [stdout]     --> lib/compress/zstd_lazy.rs:1289:29
[INFO] [stdout]      |
[INFO] [stdout] 1289 | unsafe fn ZSTD_row_prefetch(hashTable: *const u32, tagTable: *const u8, relRow: u32, rowLog: u32) {
[INFO] [stdout]      |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hashTable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tagTable`
[INFO] [stdout]     --> lib/compress/zstd_lazy.rs:1289:52
[INFO] [stdout]      |
[INFO] [stdout] 1289 | unsafe fn ZSTD_row_prefetch(hashTable: *const u32, tagTable: *const u8, relRow: u32, rowLog: u32) {
[INFO] [stdout]      |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tagTable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `relRow`
[INFO] [stdout]     --> lib/compress/zstd_lazy.rs:1289:73
[INFO] [stdout]      |
[INFO] [stdout] 1289 | unsafe fn ZSTD_row_prefetch(hashTable: *const u32, tagTable: *const u8, relRow: u32, rowLog: u32) {
[INFO] [stdout]      |                                                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_relRow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rowEntries`
[INFO] [stdout]     --> lib/compress/zstd_lazy.rs:1447:40
[INFO] [stdout]      |
[INFO] [stdout] 1447 | unsafe fn ZSTD_row_matchMaskGroupWidth(rowEntries: u32) -> u32 {
[INFO] [stdout]      |                                        ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rowEntries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wkspSize`
[INFO] [stdout]    --> lib/compress/zstd_preSplit.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     wkspSize: size_t,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wkspSize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wkspSize`
[INFO] [stdout]    --> lib/compress/zstd_preSplit.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 |     wkspSize: size_t,
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wkspSize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `serialState`
[INFO] [stdout]    --> lib/compress/zstdmt_compress.rs:772:5
[INFO] [stdout]     |
[INFO] [stdout] 772 |     serialState: *const SerialState,
[INFO] [stdout]     |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_serialState`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cSize`
[INFO] [stdout]    --> lib/compress/zstdmt_compress.rs:783:5
[INFO] [stdout]     |
[INFO] [stdout] 783 |     cSize: size_t,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_cSize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `openMP`
[INFO] [stdout]     --> lib/dictBuilder/divsufsort.rs:3273:5
[INFO] [stdout]      |
[INFO] [stdout] 3273 |     openMP: core::ffi::c_int,
[INFO] [stdout]      |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_openMP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libzstd-rs-sys` (lib) due to 1 previous error; 30 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "48a4270d30c82b3948eb55c8b5adfb1b527cc24a3fed6d141f6e149c45fcb679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a4270d30c82b3948eb55c8b5adfb1b527cc24a3fed6d141f6e149c45fcb679", kill_on_drop: false }`
[INFO] [stdout] 48a4270d30c82b3948eb55c8b5adfb1b527cc24a3fed6d141f6e149c45fcb679